1 Features
1• Operation Voltage Range:
– Motor Operation, 6.2 V to 28 V
• Total Driver H + L rDS(on)
– 250 mΩ at TA = 25°C
• Drive Current: 2-A Continuous Winding Current
(3-A Peak)
• Sensorless Sinusoidal 180° Commutation Scheme
• Configurable Output PWM Slew Rate and
Frequency for EMI Management
• Initial Position-Detect Algorithm to Avoid BackSpin During Start-Up
• No External Sense Resistor Required
• Flexible User Interface Options:
– I
2C Interface: Access Registers for Command
and Feedback
– Dedicated SPEED Pin: Accepts Either Analog
or PWM Input
– Dedicated FG Pin: Provides TACH Feedback
– Spin-Up Profile Can Be Customized With
EEPROM
– Forward-Reverse Control With DIR Pin
• Integrated Buck Converter, 5‑V, 100-mA
• Integrated LDO, 3.3‑V, 20-mA
• Standby Current, 8.5-mA
• Supply Current of 8.5 mA With Standby Version
(DRV10987S)
• Supply Current of 48 μA With Sleep Version
(DRV10987D)
• Protection Features
– Overcurrent Protection (Phase-to-Phase,
Phase-to-GND and Phase-to-VCC Short
Circuits)
– Lock Detection to Detect Rotor Lock Condition
– Anti-Voltage Surge (AVS) Protection
– Undervoltae Lockout (UVLO)
– Overvoltage Protection
– Thermal Warning and Shutdown
• Thermally Enhanced Package
2 Applications
• Pedestal and Ceiling Fans
• Air Purifiers and Humidifiers
• Dryer Circulation Fans
• Drain and Water Pumps
• Three-Phase BLDC and PMSM Motors
3 Description
The DRV10987 device is a 3-phase sensorless 180°
sinusodial motor driver with integrated power
MOSFETs, which can provide continuous drive
current up to 2 A. The device is specifically designed
for cost-sensitive, low-noise, low-external-componentcount fan and pump applications.™
The DRV10987 device delivers current to the motor
with supply voltage as low as 6.2 V. If the power
supply voltage is higher than 28 V, the device stops
driving the motor and protects the DRV10987
circuitry.
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